no. a single water molecule is a combination of 2 hydrogen atoms and 1 oxygen atom.
Helium is an element made of only one type of atom. Water and sugar are made up of different types of atoms (molecules), while air is a mixture of different gases.
A substance made up of only one kind of atom is an element, which is a pure substance.
Element
an element or a molecule
This is an isotope of a chemical element.
Elements only contain one kind of atom.
element
hydrogen
element!
atom
Element
An element is made up of one kind of atoms